In the game below, whoever completes a square first is the winner. You can play against the computer or a friend.
You can print off some dotty paper if you'd find it useful.
Once you've played the game a few times, you might like to think about the questions below.
Here are some questions you might like to consider:
- How can you tell if four dots make a square?
- Can you develop any winning strategies?
- Can you suggest any mathematically interesting variations on the game?